UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 28 APR 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 133 300 11 SFC 996 165 0.0 -4.0 74 4.0 -1.5 300 11 273.5 273.9 271.9 281.3 2.85 2 925 752 -4.3 -7.9 76 3.6 -5.5 335 27 274.9 275.3 271.9 281.3 2.28 3 850 1412 -9.5 -12.8 77 3.3 -10.4 325 25 276.2 276.5 271.7 281.0 1.68 4 719 2682 -19.1 -23.6 68 4.5 -19.9 325 28 279.2 279.3 272.1 281.6 0.79 5 700 2881 -20.5 -24.6 70 4.1 -21.2 325 29 279.8 279.9 272.3 282.0 0.74 6 630 3653 -24.5 -31.5 52 7.0 -25.4 314 29 283.8 283.9 274.1 285.1 0.44 7 500 5290 -37.3 -41.6 64 4.3 -37.5 290 29 287.6 287.6 275.7 288.2 0.20 8 478 5599 -40.3 -44.5 64 4.2 -40.5 281 29 287.6 287.6 275.7 288.1 0.15 9 427 6366 -42.7 -48.7 52 6.0 -42.9 260 29 294.0 294.0 278.8 294.3 0.11 10 410 6642 -40.7 -47.7 47 7.0 -41.1 254 33 300.0 300.0 281.5 300.4 0.13 11 400 6810 -40.7 -48.7 42 8.0 -41.1 250 35 302.1 302.1 282.4 302.5 0.11 12 363 7471 -39.5 -49.5 34 10.0 -40.1 243 38 312.2 312.2 286.2 312.6 0.12 13 300 8770 -40.3 -58.3 13 18.0 -41.1 230 44 328.6 328.6 291.3 328.8 0.05 14 278 9293 -40.5 -60.5 10 20.0 -41.3 230 42 335.5 335.5 293.2 335.7 0.04 15 250 10020 -41.1 -64.1 7 23.0 -42.1 230 40 345.0 345.0 295.6 345.1 0.03 16 249 10047 -40.9 -63.9 7 23.0 -41.9 230 40 345.7 345.7 295.7 345.8 0.03 17 200 11520 -45.9 -69.9 5 24.0 -46.6 225 36 360.1 360.1 298.7 360.2 0.02 18 184 12073 -46.5 -70.5 5 24.0 -47.2 225 37 367.8 367.8 300.2 367.9 0.02 19 173 12484 -43.3 -68.3 5 25.0 -44.4 225 37 379.6 379.6 302.2 379.7 0.02 20 150 13440 -44.7 -69.7 4 25.0 -45.7 225 38 393.0 393.0 304.2 393.1 0.02 21 120 14911 -51.3 -74.3 5 23.0 -52.0 228 36 406.8 406.8 306.1 406.9 0.01 22 100 16100 -49.5 -73.5 4 24.0 -50.4 230 35 432.1 432.1 309.1 432.2 0.02 23 89 16861 -50.5 -73.5 5 23.0 -51.4 232 32 444.7 444.7 310.4 444.8 0.02 24 81 17472 -52.5 -75.5 5 23.0 -53.4 233 30 452.8 452.8 311.1 452.9 0.02 25 70 18410 -54.9 -77.9 4 23.0 -55.6 235 27 466.9 466.9 312.4 467.0 0.01 26 62 19183 -56.7 -78.7 5 22.0 -57.3 231 23 479.4 479.4 313.4 479.5 0.01 27 55 19944 -56.3 -78.3 5 22.0 -57.1 228 18 497.1 497.1 314.8 497.2 0.02 28 50 20550 -55.7 -77.7 5 22.0 -56.6 225 15 512.2 512.2 315.8 512.3 0.02 29 30 23800 -55.7 -77.7 5 22.0 -57.1 250 7 592.8 592.8 320.3 593.0 0.03 30 24 25227 -55.3 -77.3 5 22.0 -57.1 206 6 633.0 633.0 322.0 633.3 0.04 31 20 26400 -52.7 -75.7 5 23.0 -55.4 170 5 674.9 674.9 323.6 675.4 0.07 32 14 28711 -51.1 -74.1 5 23.0 -55.0 752.8 752.8 326.0 753.9 0.12 33 12 29723 -47.1 -71.1 5 24.0 -52.8 800.9 801.0 327.3 803.0 0.22 TRP 427 6366 -42.7 -48.7 52 6.0 -42.9 260 29 294.0 294.0 278.8 294.3 0.11 WND Sounding variables and indices 1000-500 mb thick: 5157.00 m Freezing level: 996.00 mb = 165.06 m = 541.54 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 66.48 % Est. max temperature: 2.82 C = 37.07 F Sfc-Lift cond lev (LCL): 935.65 mb = 661.15 m = 2169.09 ft T: -3.63 C 700-500 lapse rate: 6.97 C/km ThetaE index: 0.30 C Layer 925.0- 719.0 mb Conv cond level (CCL): 874.61 mb = 1189.23 m = 3901.62 ft Mean mixing ratio: 2.44 g/kg Conv temperature: 2.30 C = 36.15 F Cap Strength: 3.78 C Lifted Index: 5.63 C Risk: None Lifted Index @300 mb: 33.57 C Lifted Index @700 mb: 1.25 C Showalter Index: 5.86 C Risk: None Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.80 C Cross Totals Index: 24.50 C K Index: 10.90 Risk: None Sweat Index: 145.00 Risk: None Energy Index: 1.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.29 J/kg Max Up Vert Vel: 3.55 m/s Conv Inhibition (B-): 57680.21 J/kg Cap Strength: 5.60 C Lift Cond Lev (LCL): 891.85 mb = 1036.84 m = 3401.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 20 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 996 165 300 11 9.5 -5.5 | 191 14 2.7 13.8 1 925 752 335 27 11.4 -24.5 | 319 7 4.5 -5.2 2 850 1412 325 25 14.3 -20.5 | 279 8 7.5 -1.2 3 700 2881 325 29 16.6 -23.8 | 295 11 9.8 -4.5 4 500 5290 290 29 27.3 -9.9 | 245 22 20.4 9.4 5 427 6366 260 29 28.6 5.0 | 222 33 21.7 24.3 6 400 6810 250 35 32.9 12.0 | 220 41 26.0 31.3 7 300 8770 230 44 33.7 28.3 | 209 55 26.8 47.6 8 250 10020 230 40 30.6 25.7 | 208 51 23.8 45.0 9 200 11520 225 36 25.5 25.5 | 203 48 18.6 44.8 10 150 13440 225 38 26.9 26.9 | 203 50 20.0 46.2 11 100 16100 230 35 26.8 22.5 | 206 46 19.9 41.8 12 70 18410 235 27 22.1 15.5 | 204 38 15.3 34.8 13 50 20550 225 15 10.6 10.6 | 187 30 3.7 29.9 14 30 23800 250 7 6.6 2.4 | 179 22 -0.3 21.7 15 20 26400 170 5 -0.9 4.9 | 162 25 -7.7 24.2 Wind Parameters Mean winds (0-6000m): 310.4 at 27.3 knts Storm direction: 340.4 at 20.5 knts Shear (0-3000m) pos: 2.8 neg: 1.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 94.7 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -13.8 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 15.13 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 323 18 217 6| 16.5 0.0 16.5| 31.3 0.0 31.3 62.6 0.84| 17.2 14.4 1000 329 22 264 5| 8.3 0.6 8.9| 36.3 -5.5 30.8 30.8 0.61| 11.8 7.2 1500 328 23 273 6| 5.5 0.8 6.3| 37.1 -8.6 28.5 19.0 0.51| 8.7 4.4 2000 327 24 277 6| 4.1 0.8 5.0| 39.1 -8.6 30.4 15.2 0.51| 6.9 3.5 2500 326 25 281 7| 3.3 0.9 4.2| 41.0 -8.6 32.4 13.0 0.51| 5.8 3.0 3000 326 25 284 8| 2.8 1.0 3.8| 41.8 -13.8 28.0 9.3 0.42| 5.3 2.2 4000 323 26 280 9| 2.1 1.5 3.6| 41.8 -34.8 7.0 1.8 0.19| 4.9 0.9 5000 317 27 273 11| 1.7 1.8 3.5| 41.8 -61.3 -19.5 -3.9 0.05| 4.7 0.2 6000 310 27 263 14| 1.4 2.5 3.8| 41.8-129.3 -87.5 -14.6 -0.13| 5.0 -0.7 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250428.00.gif